What does Medicare pay for 99233?

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National Medicare reimbursement for CPT code 99233 is approximately $106.88 (based on 2.40 work RVUs and national facility totals before geographic practice cost index adjustments).

Code 99233 Overview

  • Service: Subsequent hospital inpatient or observation care.
  • Complexity: High-level medical decision-making (MDM) or 50+ total minutes on the date of the encounter.
  • RVU Valuation: Carries 2.40 work RVU and 3.20 facility total RVU nationally before locality adjustments.

Billing & Documentation Requirements

  • Pathways: Choose either high complexity MDM or total time (50 or more minutes).
  • Setting: Covers combined inpatient and observation care settings.
  • Frequency: Reported as a per diem service (once per day by the same physician or group specialty).

How much does CPT 99233 pay?

The estimated national average Medicare payment for CPT code 99233 (Subsequent hospital inpatient or observation care, high complexity/50+ minutes) is $106.88 under the 2026 Medicare Physician Fee Schedule.

Because actual reimbursements vary depending on geographic adjustments (GPCI), the specific facility setting, and individual private payer contracts, payouts differ across insurance networks:

🏢 2026 Commercial Insurance Averages

Private health plans typically pay higher than Medicare, though rates fluctuate by state and negotiated contracts:

  • Cigna: ~$165.96
  • Blue Cross Blue Shield (BCBS): ~$132.59
  • UnitedHealthcare (UHC): ~$120.63
  • Aetna: ~$118.06

📊 RVU Breakdown

Medicare calculates the exact localized payment using a standard conversion factor ($33.4009 for 2026) multiplied by the Relative Value Units (RVUs):

  • Work RVUs: 2.40
  • Total RVUs (Non-Facility): 3.20

To check the exact payment rate for a specific city or region, providers can look up their localized modifier data via the official CMS Physician Fee Schedule Search Tool.

Can CPT 99232 and 99233 be billed on the same day?

No, CPT codes 99232 and 99233 cannot be billed on the same day for the same patient by the same provider or same specialty group.

Key Billing Rules

  • Per Diem Limit: Subsequent hospital care codes (99231–99233) are "per day" services, meaning only one subsequent visit code is allowed per patient, per calendar day, per provider/group of the same specialty.
  • Multiple Encounters: If a provider (or multiple providers in the same group and specialty) sees a patient multiple times in one day, they must combine the work, time, or highest level of Medical Decision Making (MDM) into a single code for that date.
  • Different Specialties: Physicians from different specialties in different group practices can each bill their own subsequent care code on the same day if they provide and document separate, medically necessary evaluations. However, the same provider cannot split one day's care into a 99232 and a 99233.

How much does Medicare reimburse for 99223?

Under the 2026 Medicare Physician Fee Schedule, Medicare reimburses a national base rate of $156.32 for CPT code 99223 (Initial hospital inpatient or observation care, high complexity).

The exact payout depends on regional adjustments and the provider's billing structure:

1. Breakdown by Billing Clinician Type

Due to the dual conversion factors utilized by the Centers for Medicare & Medicaid Services (CMS):

  • Non-Qualifying APM Rate: Providers participating in traditional MIPS receive a base national rate of $156.32 (based on a conversion factor of $33.4009).
  • Qualifying APM Rate: Providers in advanced Alternative Payment Models (APMs) receive a base national rate of $157.11 (based on a conversion factor of $33.57).

2. Regional Adjustments (GPCI)

The exact allowed amount is adjusted by your local Medicare Administrative Contractor (MAC) based on the Geographic Practice Cost Index. Geographically adjusted payouts range from a low of $147.54 in Arkansas to a high of $212.52 in Alaska.

3. Patient Coinsurance split

As a standard Part B service, the total approved amount is split into two parts:

  • Medicare Pays (80%): Approximately $125.06
  • Patient/Supplemental Insurance Pays (20% Coinsurance): Approximately $31.26

Note: To find the exact rate for your specific city or billing region, you can enter code 99223 directly into the official CMS Physician Fee Schedule Lookup Tool.

What is the difference between CPT 99232 and 99233?

The main difference between CPT code 99232 and CPT code 99233 lies in the complexity of Medical Decision Making (MDM) and the total time spent on the date of subsequent hospital inpatient or observation care.

  • CPT 99232: Involves moderate MDM or a minimum of 35 minutes of total time. Clinically, it often applies to patients with minor complications or an inadequate response to treatment.
  • CPT 99233: Involves high MDM or a minimum of 50 minutes of total time. It is designated for unstable or deteriorating patients requiring high-complexity management.

Key Comparisons

  • Billing Rules: Both apply to daily subsequent care and cannot be billed multiple times per day by physicians of the same specialty.
  • Documentation: A worsening condition alone does not justify 99233; documentation must explicitly support high-level MDM criteria or the 50-minute time requirement.

HOSPITALIST CODING: Evaluation and Management LEVEL 3 99233-99223 - E&M 2023

9 related questions found

What is the Medicare reimbursement for CPT code 99233?

The national average Medicare reimbursement for CPT code 99233 is approximately $106.88 to $113.86 before local geographic adjustments.

Code Overview

  • Description: Subsequent hospital inpatient or observation care, requiring high-level medical decision-making or 50+ minutes on the date of the encounter.
  • RVU Value: Carries roughly 2.40 work RVUs and 3.20 facility total RVUs nationally.

Factors Affecting Reimbursement

  • Locality (GPCI): Actual payment varies by your local Medicare Administrative Contractor (MAC) region and Geographic Practice Cost Index.
  • Setting: Applies to facility settings such as inpatient hospital or observation care.
  • Auditing: Medicare actively tracks high utilization of 99233 because it represents high-complexity subsequent care.

What are the Medicare reimbursement rates for 2026?

The 2026 Medicare Physician Fee Schedule sets the conversion factor at $33.57 for qualifying Advanced Alternative Payment Model (APM) participants and $33.40 for all other providers.

2026 Conversion Factors

  • Advanced APM Participants: $33.57 (a 3.77% increase from 2025).
  • Non-APM Participants: $33.40 (a 3.26% increase from 2025).
  • Legislative Boost: Includes a 2.5% increase provided under federal legislation.

Key Policy Changes

  • Office vs. Facility Adjustments: CMS increased non-facility practice expense values while reducing facility values, resulting in higher reimbursement for office-based care and cuts for hospital-outpatient or ambulatory surgical center settings.
  • Efficiency Adjustments: A 2.5% productivity reduction applies to select non-time-based diagnostic, procedural, and surgical codes that benefit from standardized workflows.
  • Telehealth and Behavioral Health: Expanded flexibilities continue, including virtual direct supervision and broadened codes for mental health and remote devices.

You can look up specific billing codes and locality adjustments using the PayerPrice Medicare Fee Schedule Lookup or read official policy details from the CMS Physician Fee Schedule.

Can 99233 be billed alone?

Yes, CPT code 99233 can be billed alone as a single subsequent inpatient or observation hospital care visit for a given calendar day.

Key Billing Rules

  • Frequency: You can bill 99233 only once per patient, per day, per provider or group specialty.
  • Standalone Support: It does not require another accompanying E/M (Evaluation and Management) code to be valid; it stands on its own when the day's documentation supports the criteria.
  • Basis of Code Selection: You can select 99233 based on either Medical Decision Making (MDM) or Total Time spent on the date of service (they are alternatives, not combined requirements):
    • High Complexity MDM: Documented unstable condition, significant complications, or a life-threatening problem requiring high-risk data analysis and management.
    • Time Threshold: A total of 50 minutes or more of qualifying face-to-face and non-face-to-face provider time on that date.

Common Restrictions

  • Same-Date Conflicts: You cannot bill 99233 on the same date as an initial hospital care code or a discharge day management code (like 99238 or 99239) for the same patient by the same provider.
  • Global Surgery Periods: You cannot bill subsequent hospital care codes if they fall within the non-zero global period of a surgery performed by your same surgical team for the same condition.

For more details on avoiding common claim errors, check the guidance from Today's Hospitalist.

What are the requirements for CPT code 99233?

CPT code 99233 requires either a high level of medical decision-making (MDM) or a total provider time of at least 50 minutes on the date of the encounter for subsequent hospital inpatient or observation care.

Core Requirements

You can qualify a claim for CPT code 99233 by meeting one of two alternative pathways:

  • Medical Decision-Making (High Complexity): Requires meeting high-level criteria in at least two of the three MDM elements:
    • Problems: One or more chronic illnesses with severe exacerbation, progression, or side effects, or an acute/chronic illness that threatens life or bodily function.
    • Data: Extensive amount and complexity of data reviewed and analyzed (e.g., reviewing external notes, independently interpreting tests, or discussing management with another professional).
    • Risk: High risk of morbidity or mortality from additional diagnostic testing or treatment options, such as toxic drug therapy monitoring or major elective surgery decisions.
  • Time Threshold: Personally spending 50 minutes or more of total time (face-to-face and non-face-to-face work) by the physician or qualified healthcare professional on the date of the service.

Key Documentation Rules

  • History and Examination: Must be medically appropriate as determined by the provider; a specific count of history or exam elements is no longer required to select the code level.
  • Setting: Applies to subsequent care in hospital inpatient or observation settings (observation codes are now merged into this family).
  • Exclusivity: Time and MDM are alternative pathways—you need to meet the high MDM criteria or the 50-minute time threshold, but you do not need to document both.

How many times can 99233 be billed?

CPT code 99233 can be billed once per patient, per day, per physician (or per-specialty group practice).

Key Billing Frequency Rules

  • Per Diem Service: Code 99233 is a per-day (per diem) evaluation and management service. If a provider sees an admitted patient or observation patient multiple times on the same calendar date, all visits must be combined into a single daily code.
  • Same Specialty Group: Physicians of the same specialty within the same group practice cannot bill 99233 (or other subsequent hospital care codes) more than once per day for the same patient.
  • Different Specialties: Physicians from different specialties may each bill a subsequent care code on the same day if they document separate, non-duplicative, and medically necessary care for the patient.
  • Discharge Date: Code 99233 cannot be billed on the date of discharge; discharge day management codes (99238 or 99239) replace subsequent care codes on that final day.